Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Christopher Francis Deeg, PHD
Psychologist in Dix Hills, NY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1275616591
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Registry record
Entity type Individual (Type 1)
Name Dr. Christopher Francis Deeg
Credential PHD
Sex Male
Practice address 7 Dix Hills Court, Dix Hills, NY, 11746
Phone (631) 427-8403
Fax (631) 424-8048
Enumeration date Oct 23, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Christopher Deeg practice?
The practice location on file with NPPES is in Dix Hills, NY. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Christopher Deeg?
The National Provider Identifier (NPI) for Christopher Deeg is 1275616591, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.